From the Hartford Informer:
The Convincer might be the world's worst roller coaster. At only three seconds, this short ride is light on thrills. What it lacks in excitement, though, it makes up for with a serious message about car safety. The Convincer is used by law enforcement, driving programs and schools to demonstrate the importance of wearing a seatbelt.
By simulating an impact at five mph, which is far more intense than it sounds, The Convincer can reliably convince anyone to wear a seatbelt. According to the Center for Disease Control, the use of seat belts reduces the number of crash-related deaths and injuries by about 50 percent. Thanks to The Convincer, this powerful message can be delivered to people across the country in a fun and memorable way.